Home / 181,049.46-249,840.85-100,480.34

Finding the Fourth Proportional to 181,049.46, 249,840.85 and 100,480.34

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Solution

The fourth proportional to 181,049.46, 249,840.85 and 100,480.34 is: 138,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,049.46 : 249,840.85 = 100,480.34 : x
  2. Step 2: Convert to fraction form
    181,049.46/249,840.85 = 100,480.34/x
  3. Step 3: Cross multiply
    181,049.46x = 249,840.85 × 100,480.34
  4. Step 4: Simplify right side
    181,049.46x = 25,104,093,553.89
  5. Step 5: Solve for x
    x = 25,104,093,553.89/181,049.46
  6. Step 6: Final answer
    x = 138,658.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.